Figure 1. Map of the study site. Dots indicate the sampling stations during the 131st cruise of the R/V Professor Shtokman (March–April 2016, PSh131) and the 33rd cruise of the R/V Akademik Nikolai Strakhov (October–December 2016, ANS33). (BB is the Bornholm Basin, GB is the Gotland Basin, GdB is the Gdansk Basin).